I should add I suspect the first one (Hubris) will be the better book. The other one is by some dude from The Libertarian Institute and I think (from seeing him interviewed) he may be a bit more scattershot.
...no amount of cajolery, and no attempts at ethical or social seduction, can eradicate from my heart a deep burning hatred for the Tory Party...So far as I am concerned they are lower than vermin.